Most played cards in Arclight Spells:

2 Decks
Lightning Bolt
8 copies - 4 average
Arclight Phoenix
8 copies - 4 average
Desperate Ritual
8 copies - 4 average
Manamorphose
8 copies - 4 average
Runaway Steam-Kin
8 copies - 4 average
Bedlam Reveler
8 copies - 4 average
Faithless Looting
8 copies - 4 average
Risk Factor
7 copies - 3.5 average
Fiery Temper
7 copies - 3.5 average
Lava Spike
7 copies - 3.5 average
Surgical Extraction
6 copies - 3 average
Dragon's Claw
6 copies - 3 average
Anger of the Gods
5 copies - 2.5 average
Shrine of Burning Rage
4 copies - 2 average
Abrade
4 copies - 2 average
Blood Moon
4 copies - 2 average
Monastery Swiftspear
4 copies - 2 average
Gut Shot
2 copies - 1 average
Tormenting Voice
2 copies - 1 average